looking for short term rent 1 or 2 room appt (Barcelona)

Hello/Hola, I am moving to Barcelona on 20 July for work and will be looking to rent one or two room apartment from 20th of July, up to Protected content including expenses. For me, my boyfriend and our two kids, 3 and 5 years old. Preferred location is the area around Parrallel or Universitat but we are flexible. Looking for short term rent for 1 or 2 months and most probably later on we would like to turn it into long term contract. Thank you so much for sharing anything that may help us find where to live. I am still in Prague, and will be in Barcelona on 20th July. You can reach me at Protected content or my phone numbers –Spanish one Protected content check one ( also whatsapp N Protected content . Warm Regards/ Saludos cordiales, Dani